C.R.S. § 13-71-110: Juror selection and summoning.

A jury commissioner shall specify the number of trial jurors needed for each day's juror pool or for selection of a grand jury within that commissioner's county. The state court administrator shall then randomly select the specified number of jurors required from the master juror wheel and shall issue a summons to each selected prospective juror, either personally or by mail addressed to the usual residence or post-office address of the prospective juror.